8669638369668 has 24 divisors (see below), whose sum is σ = 20659563775872. Its totient is φ = 2828392659424.

The previous prime is 8669638369649. The next prime is 8669638369787.

8669638369668 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7685849055 + ... + 7685850182.

It is an arithmetic number, because the mean of its divisors is an integer number (860815157328).

Almost surely, 2^{8669638369668} is an apocalyptic number.

It is an amenable number.

8669638369668 is an abundant number, since it is smaller than the sum of its proper divisors (11989925406204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8669638369668 is a wasteful number, since it uses less digits than its factorization.

8669638369668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15371699291 (or 15371699289 counting only the distinct ones).

The product of its digits is 17414258688, while the sum is 84.

The spelling of 8669638369668 in words is "eight trillion, six hundred sixty-nine billion, six hundred thirty-eight million, three hundred sixty-nine thousand, six hundred sixty-eight".